ocaml/otherlibs/unix/open.c

/***********************************************************************/
/*                                                                     */
/*                           Objective Caml                            */
/*                                                                     */
/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
/*                                                                     */
/*  Copyright 1996 Institut National de Recherche en Informatique et   */
/*  Automatique.  Distributed only by permission.                      */
/*                                                                     */
/***********************************************************************/

/* $Id$ */

#include <mlvalues.h>
#include <alloc.h>
#include "unix.h"
#include <fcntl.h>

#ifndef O_NONBLOCK
#define O_NONBLOCK O_NDELAY
#endif

static int open_flag_table[] = {
  O_RDONLY, O_WRONLY, O_RDWR, O_NONBLOCK, O_APPEND, O_CREAT, O_TRUNC, O_EXCL
};

value unix_open(path, flags, perm) /* ML */
     value path, flags, perm;
{
  int ret;

  ret = open(String_val(path), convert_flag_list(flags, open_flag_table),
             Int_val(perm));
  if (ret == -1) uerror("open", path);
  return Val_int(ret);
}